Commonwealth Fusion Systems is trying to bring a long-promised technology to reality. This article is from The Spark, MIT Technology Review’s weekly climate newsletter. To receive it in your inbox ...

The dream of the ancient alchemists may come true as Marathon Fusion announces that its tokamak fusion reactor technology can turn common mercury into gold as a byproduct of fusion operations in ...

German startup Proxima Fusion — whose team includes engineers from MIT, Google, SpaceX, and McLaren — has unveiled a fusion energy reactor design it believes offers the quickest route to commercially ...

Japan's experimental nuclear fusion reactor is up and running. JT-60SA is currently the most powerful experimental fusion reactor in operation. It's a different device than NIF's, which had a fusion ...

Nuclear fusion promises a green and infinitely renewable supply of energy—if we can harness it. Fusion happens all the time inside the sun. But to recreate the process on Earth, we must control ...

On Tuesday, the people managing the ITER experimental fusion reactor announced that a combination of delays and altered priorities meant that its first-of-its-kind hardware wouldn't see plasma until ...

Commonwealth has made measurable progress toward its goal of building a practical fusion reactor that generates carbon-free electricity. Explore the 2023 list of 15 Climate Tech Companies to Watch.

Scientists have been chasing the dream of limitless, environmentally friendly fusion power for decades, but these experimental reactors are still far from supplanting fossil fuels. The ...

As part of the global effort to harness power from fusing plasma, scientists worked on the computer codes, engineering and physics for a new and unique fusion reactor: the SMall Aspect Ratio Tokamak.

The Princeton Plasma Physics Laboratory (PPPL) hits a new fusion reactor endurance record that could open the door to practical fusion power on a commercial scale. Using a tungsten lining, the WEST ...

General Fusion announced on Tuesday that it had successfully created plasma, a superheated fourth state of matter required for fusion, inside a prototype reactor. The milestone marks the beginning of ...

A Wisconsin-based startup called Type One Energy says it’s closed an over-subscribed $29 million financing round to launch its effort to commercialize a weird kind of nuclear fusion device known as a ...